add intro to nodejs section

Author: mstephen19

content/academy/node_js.md

@@ -1,6 +1,6 @@
 ---
 title: Node.js tutorials
-description: description
+description: A collection of various different Node.js tutorials ranging from scraping sitemaps to optimizing your Puppeteer scraper.
 menuWeight: 14
 category: tutorials
 paths:
@@ -9,4 +9,8 @@ paths:
 
 # Node.js Tutorials 💻📚
 
-<!-- something -->
+This section contains various web-scraping or web-scraping related tutorials for Node.js. Whether you're trying to scrape from a website with sitemaps, struggling with a dynamic page, want to optimize your slow Puppeteer scraper, or just need some general tips for scraping in Node.js, this section is right for you.
+
+## First up
+
+In the first tutorial of this section, we discuss something that will always prove to be helpful to you regardless of where you are in your programming journey - [how to analyze errors and fix them]({{@link node_js/analyzing_pages_and_fixing_errors.md}}).